From 5c9dab6ebff88c91f455cb692f2b805433958125 Mon Sep 17 00:00:00 2001
From: Buke Po <bukepo@gmail.com>
Date: Thu, 13 Jul 2017 22:35:28 +0800
Subject: [PATCH] [posix] exit if socket operations fails (#1987)

---
 examples/platforms/posix/radio.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/examples/platforms/posix/radio.c b/examples/platforms/posix/radio.c
index 1b314861b..e972c0bb1 100644
--- a/examples/platforms/posix/radio.c
+++ b/examples/platforms/posix/radio.c
@@ -368,7 +368,18 @@ void platformRadioInit(void)
     sockaddr.sin_addr.s_addr = INADDR_ANY;
 
     sSockFd = (int)socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
-    bind(sSockFd, (struct sockaddr *)&sockaddr, sizeof(sockaddr));
+
+    if (sSockFd == -1)
+    {
+        perror("socket");
+        exit(EXIT_FAILURE);
+    }
+
+    if (bind(sSockFd, (struct sockaddr *)&sockaddr, sizeof(sockaddr)) == -1)
+    {
+        perror("bind");
+        exit(EXIT_FAILURE);
+    }
 
     sReceiveFrame.mPsdu = sReceiveMessage.mPsdu;
     sTransmitFrame.mPsdu = sTransmitMessage.mPsdu;